<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>echat页面</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" type="text/css" media="screen" href="./css/echat.css" />
</head>

<body>
    <!-- 饼状图 -->
    <div class="pieChart chart">
        <div class="chartTitle">**统计</div>
        <div id="pie" style="width: 600px;height:400px;"></div>
    </div>

    <!-- 柱状图 -->
    <div class="histogramChart chart">
        <div class="chartTitle">**统计</div>
        <div id="histogram" style="width: 600px;height:400px;"></div>
    </div>
    <script src="https://cdn.bootcss.com/echarts/4.1.0.rc2/echarts.min.js"></script>
    <script src="./js/echat.js"></script>
</body>

</html>